If you want to calculate how much time is left until a certain expiry date, you can use the DATEDIF function. This function returns the difference between two dates in terms of days, months, or years.

How to reduce taxes on your Social Security benefits. If you're looking to minimize the taxes on your Social Security benefits, there are several strategies you can consider: ...

Enter your date of birth here and the age you plan to claim benefits to see what your spousal benefit would be. You can also note your spouse's PIA and then open your own my Social Security account.